Home / 441,026.12-608,789.14-312,635.68

Finding the Fourth Proportional to 441,026.12, 608,789.14 and 312,635.68

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Solution

The fourth proportional to 441,026.12, 608,789.14 and 312,635.68 is: 431,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,026.12 : 608,789.14 = 312,635.68 : x
  2. Step 2: Convert to fraction form
    441,026.12/608,789.14 = 312,635.68/x
  3. Step 3: Cross multiply
    441,026.12x = 608,789.14 × 312,635.68
  4. Step 4: Simplify right side
    441,026.12x = 190,329,206,760.52
  5. Step 5: Solve for x
    x = 190,329,206,760.52/441,026.12
  6. Step 6: Final answer
    x = 431,559.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.